Number of nX4 0..3 arrays with no three equal values forming an isosceles right triangle, and new values introduced in 0..3 order.
A273963
Number of nX4 0..3 arrays with no three equal values forming an isosceles right triangle, and new values introduced in 0..3 order.
Terms
- a(0) =15a(1) =1264a(2) =49702a(3) =543906a(4) =4010258a(5) =16365681a(6) =55643290a(7) =210405148a(8) =904155053a(9) =4384022592a(10) =21350702064a(11) =105038486755a(12) =514302715276
External references
- oeis: A273963